Answer:
B. 28.1
Step-by-step explanation:
By the property of intersecting secant and tangent out side of the circle.

If the train travels 18 mph you just have to divide 270 by 18 and that would be your answer.
So 270/18 = 15 which means it would take the train 15 hours to travel 270 miles.
Answer:
40
Step-by-step explanation:
Firstly, i solved for the first pair of parenthesis and got 20. If there is no sign in between a pair of brackets of parenthesis its multiplication
Put as brainliest if you wish
Answer:98800
Step-by-step explanation: